Home / 40,311.85-55,655.25-25,976.74

Finding the Fourth Proportional to 40,311.85, 55,655.25 and 25,976.74

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Solution

The fourth proportional to 40,311.85, 55,655.25 and 25,976.74 is: 35,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.85 : 55,655.25 = 25,976.74 : x
  2. Step 2: Convert to fraction form
    40,311.85/55,655.25 = 25,976.74/x
  3. Step 3: Cross multiply
    40,311.85x = 55,655.25 × 25,976.74
  4. Step 4: Simplify right side
    40,311.85x = 1,445,741,958.89
  5. Step 5: Solve for x
    x = 1,445,741,958.89/40,311.85
  6. Step 6: Final answer
    x = 35,863.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.